<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>一个弹窗</title>

    <script src="cde.js" type="text/javascript"/>

    <link href="bcd.css" type="text/css"/>
</head>
<body>


<h1>
    <center>
        一个弹窗
    </center>
</h1>

<hr>

<p>
    <center>
    <button id="myBtn">
        opening window
    </button>
</center>
</p>

<div id="myModal" class="modal">
    <div class="modal-content">
        <span class="close">&times;</span>
        <p>
            我爱共产党！
        </p>
    </div>
</div>


</body>
</html>